Michael hauck claimed that he was discharged by his employer, sabine pilot service, because he refused its direction to perform the illegal act of pumping the bilges of the employer’s vessel into the waterways. hauck was an employee at will, and sabine contends that it therefore had the right to discharge him without having to show cause. hauck brought a wrongful discharge action against sabine. decide. [sabine pilot service, inc., v. hauck, 687 s. w.2d 733 (tex.)]